aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rwxr-xr-xconfigure217
-rw-r--r--configure.texi26
2 files changed, 112 insertions, 131 deletions
diff --git a/configure b/configure
index ff75fa2..f9a3989 100755
--- a/configure
+++ b/configure
@@ -58,9 +58,10 @@ defaulttargets=
fatal=
floating_point=default
gas=default
+host_makefile_frag=
hosts=
-next_prefix=
next_host=
+next_prefix=
next_site=
next_srcdir=
next_target=
@@ -70,9 +71,11 @@ prefix=/usr/local
progname=
recurring=
removing=
+site_makefile_frag=
srcdir=
srctrigger=
target=
+target_makefile_frag=
targets=
undefinedargs=
verbose=
@@ -333,6 +336,12 @@ case "${srcdir}" in
esac
+# default datadir
+case "${datadir}" in
+"") datadir="$(prefix)/lib" ;;
+*) ;;
+esac
+
### break up ${srcdir}/configure.in.
case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
"")
@@ -398,11 +407,6 @@ for host in ${hosts} ; do
host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
host=${host_cpu}-${host_vendor}-${host_os}
- host_makefile_frag=config/mh-${host}
- if [ ! -f ${host_makefile_frag} ]
- then
- host_makefile_frag=config/mh-${host_alias}
- fi
. ${tmpfile}.hst
@@ -414,11 +418,6 @@ for host in ${hosts} ; do
target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
target=${target_cpu}-${target_vendor}-${target_os}
- target_makefile_frag=config/mt-${target}
- if [ ! -f ${target_makefile_frag} ]
- then
- target_makefile_frag=config/mt-${target_alias}
- fi
. ${tmpfile}.tgt
@@ -494,11 +493,12 @@ for host in ${hosts} ; do
case ${srcdir} in
.)
;;
- *)
- echo "# "${NO_EDIT} > .gdbinit
- echo "dir ." >> .gdbinit
- echo "dir ${srcdir}" >> .gdbinit
- echo "source ${srcdir}/.gdbinit" >> .gdbinit
+ *) cat > .gdbinit <<EOF
+# ${NO_EDIT} > .gdbinit
+dir .
+dir ${srcdir}
+source ${srcdir}/.gdbinit
+EOF
;;
esac
fi
@@ -506,135 +506,114 @@ for host in ${hosts} ; do
# Install a makefile, and make it set VPATH
# if necessary so that the sources are found.
# Also change its value of srcdir.
+ # NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
+ # been somewhat optimized and is perhaps a bit twisty.
- # FIXME-someday: This business of always writing to .tem and mv back
- # is so that I don't screw things up while developing. Once this
- # template is stable, these should be optimized. xoxorich.
-
- # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
- case "${host}" in
- "${target}") echo "ALL=all.internal" > ${Makefile} ;;
- *)
- echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
- echo "ALL=all.cross" >> ${Makefile}
- ;;
- esac
-
- # set target, host, VPATH
- echo "host_alias = ${host_alias}" >> ${Makefile}
- echo "host_cpu = ${host_cpu}" >> ${Makefile}
- echo "host_vendor = ${host_vendor}" >> ${Makefile}
- echo "host_os = ${host_os}" >> ${Makefile}
-
- echo "target_alias = ${target_alias}" >> ${Makefile}
- echo "target_cpu = ${target_cpu}" >> ${Makefile}
- echo "target_vendor = ${target_vendor}" >> ${Makefile}
- echo "target_os = ${target_os}" >> ${Makefile}
-
- echo "subdir =" >> ${Makefile}
- echo "unsubdir = ." >> ${Makefile}
-
- echo "VPATH = ${srcdir}" >> ${Makefile}
+ # code is order so as to try to sed the smallest input files we know.
- # add "Makefile.in" (or whatever it's called)
- cat ${srcdir}/${Makefile_in} >> ${Makefile}
+ # the three makefile fragments MUST end up in the resulting Makefile in this order: target, host, and site.
+ # so do these separately because I don't trust the order of sed -e expressions.
- # Conditionalize the makefile for this site.
+ # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
case "${site}" in
- "") ;;
+ "") cp ${srcdir}/${Makefile_in} Makefile.tem ;;
*)
- site_makefile_frag=config/ms-${site}
+ site_makefile_frag=${srcdir}/config/ms-${site}
- if [ -f ${srcdir}/${site_makefile_frag} ] ; then
- echo "site_makefile_frag = ${srcdir}/${site_makefile_frag}" > Makefile.tem
- sed -e "/^####/ r ${srcdir}/${site_makefile_frag}" ${Makefile} >> Makefile.tem
+ if [ -f ${site_makefile_frag} ] ; then
+ sed -e "/^####/ r ${site_makefile_frag}" ${srcdir}/${Makefile_in} \
+ >> Makefile.tem
else
- echo "site_makefile_frag =" > Makefile.tem
- cat ${Makefile} >> Makefile.tem
+ cp ${srcdir}/${Makefile_in} Makefile.tem
+ site_makefile_frag=
fi
- mv Makefile.tem ${Makefile}
;;
esac
+ # working copy now in Makefile.tem
# Conditionalize the makefile for this host.
- if [ -f ${srcdir}/${host_makefile_frag} ] ; then
- echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" > Makefile.tem
- sed -e "/^####/ r ${srcdir}/${host_makefile_frag}" ${Makefile} >> Makefile.tem
- else
- echo "host_makefile_frag =" > Makefile.tem
- cat ${Makefile} >> Makefile.tem
- fi
- mv Makefile.tem ${Makefile}
+ case "${host_makefile_frag}" in
+ "") mv Makefile.tem ${Makefile} ;;
+ *)
+ if [ -f ${host_makefile_frag} ] ; then
+ sed -e "/^####/ r ${host_makefile_frag}" Makefile.tem >> ${Makefile}
+ else
+ echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
+ echo '***' is missing in ${PWD}. 1>&2
+ mv Makefile.tem ${Makefile}
+ fi
+ esac
+ # working copy now in ${Makefile}
# Conditionalize the makefile for this target.
- if [ -f ${srcdir}/${target_makefile_frag} ] ; then
- echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" > Makefile.tem
- sed -e "/^####/ r ${srcdir}/${target_makefile_frag}" ${Makefile} >> Makefile.tem
+ target_makefile_frag=${srcdir}/${target_makefile_frag}
+ if [ -f ${target_makefile_frag} ] ; then
+ sed -e "/^####/ r ${target_makefile_frag}" ${Makefile} >> Makefile.tem
else
- echo "target_makefile_frag =" > Makefile.tem
- cat ${Makefile} >> Makefile.tem
+ mv ${Makefile} Makefile.tem
+ target_makefile_frag=
fi
- mv Makefile.tem ${Makefile}
+ # real copy now in Makefile.tem
- # set srcdir
- sed "s:^srcdir[ ]*=.*$:srcdir = ${srcdir}:" ${Makefile} > Makefile.tem
- mv Makefile.tem ${Makefile}
-
- # set prefix
- case "${prefix}" in
- "") ;;
- *)
- sed "s:^prefix[ ]*=.*$:prefix = ${prefix}:" ${Makefile} > Makefile.tem
- mv Makefile.tem ${Makefile}
- ;;
- esac
-
- # set datadir
- case "${datadir}" in
- "") ;;
+ # prepend warning about editting, and a bunch of variables.
+ # fixme-someday: remove the subdir/unsubdir lines.
+ cat > ${Makefile} <<EOF
+# ${NO_EDIT}
+host_alias = ${host_alias}
+host_cpu = ${host_cpu}
+host_vendor = ${host_vendor}
+host_os = ${host_os}
+target_alias = ${target_alias}
+target_cpu = ${target_cpu}
+target_vendor = ${target_vendor}
+target_os = ${target_os}
+target_makefile_frag = ${target_makefile_frag}
+host_makefile_frag = ${host_makefile_frag}
+site_makefile_frag = ${site_makefile_frag}
+VPATH = ${srcdir}
+subdir =
+unsubdir = .
+EOF
+
+ # fixme: this shouldn't be in configure.
+ # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
+ case "${host}" in
+ "${target}") echo "ALL=all.internal" >> ${Makefile} ;;
*)
- sed "s:^datadir[ ]*=.*$:datadir = ${datadir}:" ${Makefile} > Makefile.tem
- mv Makefile.tem ${Makefile}
+ echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
+ echo "ALL=all.cross" >> ${Makefile}
;;
esac
- # reset SUBDIRS
- sed "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
- mv Makefile.tem ${Makefile}
+ # reset prefix, datadir, srcdir, SUBDIRS, NONSUBDIRS, remove any form
+ # feeds.
+ sed -e "s:^prefix[ ]*=.*$:prefix = ${prefix}:" \
+ -e "s:^datadir[ ]*=.*$:datadir = ${datadir}:" \
+ -e "s:^srcdir[ ]*=.*$:srcdir = ${srcdir}:" \
+ -e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
+ -e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
+ -e "s/ //" Makefile.tem >> ${Makefile}
+ # final copy now in ${Makefile}
- # reset NONSUBDIRS
- sed "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
- mv Makefile.tem ${Makefile}
+ rm Makefile.tem
- # remove any form feeds.
- sed -e "s/ //" ${Makefile} > Makefile.tem
- mv Makefile.tem ${Makefile}
+ if [ -n "${verbose}" -o -z "${recurring}" ] ; then
+ case "${host_makefile_frag}" in
+ "") using= ;;
+ *) using="and \"${host_makefile_frag}\"" ;;
+ esac
- # prepend warning about editting.
- echo "# "${NO_EDIT} > ${Makefile}.tem
- cat ${Makefile} >> ${Makefile}.tem
- mv Makefile.tem ${Makefile}
+ case "${target_makefile_frag}" in
+ "") ;;
+ *) using="${using} and \"${target_makefile_frag}\"" ;;
+ esac
- using=
- if [ -f ${srcdir}/${host_makefile_frag} ] ; then
- using="${using} and \"${host_makefile_frag}\""
- fi
- if [ -f ${srcdir}/${target_makefile_frag} ] ; then
- using="${using} and \"${target_makefile_frag}\""
- fi
- case "${site}" in
- "") ;;
- *)
- if [ -f ${srcdir}/${site_makefile_frag} ] ; then
- using="${using} and \"${site_makefile_frag}\""
- fi
- ;;
- esac
- using=`echo "${using}" | sed 's/and/using/'`
- using="Created \"${Makefile}\" in ${PWD}${using}."
+ case "${site_makefile_frag}" in
+ "") ;;
+ *) using="${using} and \"${site_makefile_frag}\"" ;;
+ esac
- if [ -n "${verbose}" -o -z "${recurring}" ] ; then
- echo ${using}
+ echo "Created \"${Makefile}\" in" ${PWD} `echo "${using}" | sed 's/and/using/'`
fi
. ${tmpfile}.pos
diff --git a/configure.texi b/configure.texi
index 7e2cf4e..25aad8b 100644
--- a/configure.texi
+++ b/configure.texi
@@ -200,9 +200,9 @@ specify other aspects of the source configuration:
@item -datadir=@var{dir}
Configure the source to install host independent files in @var{dir}.
-This option sets the @code{configure} variable @code{datadir}. If
-@code{datadir} is not empty, generated Makefiles will have their
-@code{datadir} variables set to this value. (See @ref{Install Details}.)
+This option sets the @code{configure} variable @code{datadir}.
+Generated Makefiles will have their @code{datadir} variables set to this
+value. (See @ref{Install Details}.)
@item -gas
Configure to use the @sc{GNU} assembler.
@@ -246,9 +246,9 @@ This option is no longer supported. Use @code{-srcdir=} instead.
Configure the source to install programs and files under directory
@file{@var{dir}}.
-This option sets the @code{configure} variable @code{prefix}. If
-@code{prefix} is not empty, generated Makefiles will have their
-@code{prefix} variables set to this value. (See @ref{Install Details}.)
+This option sets the @code{configure} variable @code{prefix}. Generated
+Makefiles will have their @code{prefix} variables set to this value.
+(See @ref{Install Details}.)
@item -recurring
@c Wouldn't it make more sense to call this "-quiet"? (FIXME).
@@ -1207,15 +1207,17 @@ either the @code{-srcdir=} or the @code{-subdirs} options. Note that
@end defvar
@defvar{host_makefile_frag}
-Is set to a file name representing to the default Makefile fragment for
-this host. It may be set in @file{configure.in} to override this
-default.
+If set by @file{configure.in}, this variable should name a file to be
+included in the resulting Makefile. If the named file does not exist,
+@code{configure} will print a warning message. This variable is not set
+by @code{configure}.
@end defvar
@defvar{target_makefile_frag}
-Is set to a file name representing to the default Makefile fragment for
-this target. It may be set in @file{configure.in} to override this
-default.
+If set by @file{configure.in}, this variable should name a file to be
+included in the resulting Makefile. If the named file does not exist,
+@code{configure} will print a warning message. This variable is not set
+by @code{configure}.
@end defvar
@defvar{site_makefile_frag}